4,4'-Biphenylenebis(2-oxoethylenebis(2-acetylthioethyl)dimethylammonium) dibromide 60872-43-7 AMMONIUM, (4,4'-BIPHENYLENEBIS(2-OXOETHYLENE))BIS((2-ACETYLTHIOETHYL)DIMETHYL-, Ammonium, (4,4'-biphenylenebis(2-oxoethylene))bis((2-acetylthioethyl)dimethyl-, dibromide Thio-Achc-3